<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    function deeepClone(src){
      let newObj 
      if(typeof(src) == 'object' && src !== null){
        newobj = src instanceof Array ? [] : {}
        for(let i in src){
          newobj[i] = deeepClone(src[i])
        }
      } else {
        newobj = src
      }
      return newObj
    }
  </script>
</body>
</html>